KR930003678A - TV broadcasting receiving system of camcorder - Google Patents

TV broadcasting receiving system of camcorder Download PDF

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Publication number
KR930003678A
KR930003678A KR1019910011875A KR910011875A KR930003678A KR 930003678 A KR930003678 A KR 930003678A KR 1019910011875 A KR1019910011875 A KR 1019910011875A KR 910011875 A KR910011875 A KR 910011875A KR 930003678 A KR930003678 A KR 930003678A
Authority
KR
South Korea
Prior art keywords
signal
audio
video signal
camcorder
local oscillation
Prior art date
Application number
KR1019910011875A
Other languages
Korean (ko)
Inventor
신학섭
Original Assignee
이헌조
주식회사 금성사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 이헌조, 주식회사 금성사 filed Critical 이헌조
Priority to KR1019910011875A priority Critical patent/KR930003678A/en
Publication of KR930003678A publication Critical patent/KR930003678A/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
    • H04N5/50—Tuning indicators; Automatic tuning control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Noise Elimination (AREA)

Abstract

내용 없음.No content.

Description

캠코더의 텔레비전 방송수신 시스템Camcorder Receiving System

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명 캠코더의 방송수신 시스템에 대한 블럭도,1 is a block diagram of a broadcast receiving system of a camcorder of the present invention;

제2도는 본 발명의 방송수신 시스템에 대한 상세회로도,2 is a detailed circuit diagram of a broadcast receiving system of the present invention;

제3도는 튜너(10)의 상세블럭도.3 is a detailed block diagram of the tuner 10.

Claims (2)

안테나(ANT)를 통해 수신된 고주파 방송신호(RF)에 국부발진 신호를 가하여 중간주파수 신호(IF)로 변환하는 튜너(10)와, 상기 튜너(10)의 튜닝동작을 제어하는 마이콤(20)과, 상기 튠(10)의 출력신호를 소정레벨로 증폭한 다음 간섭신호를 제거하는 간섭신호 제거부(30)와, 상기 간섭신호 제거부(30)의 출력신호에서 오디오신호(A) 및 영상신호(V)를 분래해내는 오디오/영상신호 검출부(40)와, 상기 오디오신호(A)에서 순수한 오디오신호만을 검출해 내는 오디오신호 처리부(50)와, 상기 영상신호(V)에서 순수한 영상신호만을 검출해 내는 영상신호 처리부(60)로 구성된 것을 특징으로 하는 캠코더의 텔레비젼 방송수신 시스템.A tuner 10 for applying a local oscillation signal to the high frequency broadcast signal RF received through the antenna ANT and converting it into an intermediate frequency signal IF, and a microcomputer 20 for controlling the tuning operation of the tuner 10. And an interference signal removing unit 30 for amplifying the output signal of the tune 10 to a predetermined level and then removing the interference signal, and an audio signal A and an image from the output signal of the interference signal removing unit 30. An audio / video signal detector 40 for separating the signal V, an audio signal processor 50 for detecting only pure audio signals from the audio signal A, and a pure video signal from the video signal V A television broadcast receiving system for a camcorder, characterized by comprising a video signal processor (60) for detecting only a bay. 제1항에 있어서, 국부발진 주파수의 변화로 인한 영상중간 주파수의 편차를 위상검파하여 그에 따른 국부발진 제어신호를 생성하게 오디오/영상신호 검출부(40)를 구성한 것을 특징으로 하는 캠코더의 텔레비젼 방송수신 시스템.The camcorder according to claim 1, wherein the audio / video signal detector (40) is configured to phase detect the deviation of the intermediate frequency due to the change of the local oscillation frequency and generate a local oscillation control signal accordingly. system. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019910011875A 1991-07-12 1991-07-12 TV broadcasting receiving system of camcorder KR930003678A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910011875A KR930003678A (en) 1991-07-12 1991-07-12 TV broadcasting receiving system of camcorder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910011875A KR930003678A (en) 1991-07-12 1991-07-12 TV broadcasting receiving system of camcorder

Publications (1)

Publication Number Publication Date
KR930003678A true KR930003678A (en) 1993-02-24

Family

ID=67440912

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910011875A KR930003678A (en) 1991-07-12 1991-07-12 TV broadcasting receiving system of camcorder

Country Status (1)

Country Link
KR (1) KR930003678A (en)

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Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid